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PIERREL SPA
IT25 patents
Top patents by PatentIndex Score
US4774325ASep 27, 1988
New 8-substituted nucleoside and purine derivatives, the process for the preparation thereof and the pharmaceutical compositions containing them
PIERREL SPA28 citations88
US4902790AFeb 20, 1990
Novel process for the synthesis of amikacin
PIERREL SPA23 citations86
US4588712AMay 13, 1986
(8S)-8-fluoroerythromycin derivatives, the process for the preparation thereof and the pharmaceutical compositions containing them
PIERREL SPA22 citations80
US4226862AOct 7, 1980
Steroids and process for preparing the same
PIERREL SPA25 citations76
US4514562AApr 30, 1985
Fluorinated erythromycin compounds and a process for preparation
PIERREL SPA16 citations72
US4439426AMar 27, 1984
Semisynthetic macrolidic antibiotics, intermediate compounds for their preparation and related pharmaceutical compositions containing them
PIERREL SPA8 citations70
US4429115AJan 31, 1984
3-O-Oleandrosyl-5-O-desosaminyl erythronolide compounds
PIERREL SPA5 citations70
US5010056AApr 23, 1991
Pharmaceutical composition for intranasal administration, comprising GH-releasing hormone, a cholinergic agonist and optionally a bile salt
PIERREL SPA12 citations65
US4579861AApr 1, 1986
Aryloxypropanolamine derivatives, pharmaceutical compositions and adrenegic thereof
PIERREL SPA2 citations62
US4673736AJun 16, 1987
Process for the preparation of (8S)-8-fluoroerythromycins
PIERREL SPA5 citations61
US4275061AJun 23, 1981
Steroids and process for preparing the same
PIERREL SPA2 citations61
US4272446AJun 9, 1981
Steroids and process for preparing the same
PIERREL SPA2 citations61
US4560662ADec 24, 1985
Streptomyces antibioticus ATCC 31771 and process for obtaining same
PIERREL SPA1 citations59
US4894460AJan 16, 1990
Basic esters exhibiting an antagonistic activity to calcium, process for the preparation thereof and pharmaceutical compositions therefrom
PIERREL SPA4 citations58
US4526985AJul 2, 1985
Process for the preparation of the anhydride of N-formyl-L-aspartic acid
PIERREL SPA4 citations58
US4508719AApr 2, 1985
Hydroxyimino and alkoxyimino derivatives of 1,4-dihydropyridine and anti-hypertensive compositions
PIERREL SPA2 citations58
US4013679AMar 22, 1977
Substituted 6,7-dihydro [1,7-ab](1) benzazepine compounds
PIERREL SPA2 citations57
US5470858ANov 28, 1995
Derivatives of (hetero)aromatic ethers and thioethers having antihyperlipidemic activity, process for their preparation and pharmaceutical compositions containing them
PIERREL SPA4 citations56
US4181740AJan 1, 1980
Indolyl acetic acid derivative
PIERREL SPA5 citations54
US4390533AJun 28, 1983
Steroids and process for preparing the same
PIERREL SPA0 citations50
US4434097AFeb 28, 1984
Process for the removal of the formyl group from N-formyl peptides and esters thereof
PIERREL SPA1 citations48
US4299962ANov 10, 1981
Process for synthesizing 2-sulphanilamido-3-methoxypyrazine
PIERREL SPA1 citations47
US4347247AAug 31, 1982
Pharmacological preparation composed of a quinoxaline derivative mixed with sodium bicarbonate
PIERREL SPA0 citations46
US4540662ASep 10, 1985
Semisynthetic macrolidic antibiotics, intermediate compounds for their preparation and related pharmaceutical compositions containing compounds for their preparation and related pharmaceutical compositions containing them
PIERREL SPA1 citations42
US4073903AFeb 14, 1978
3-Desacetoxymethyl-3- 5'(1-methyltetrazolyl)thio!methyl-7- 1-(4-nitroimidazolyl)acetyl!aminocephalosporanic acid
PIERREL SPA0 citations33